CN116093614A - Large-caliber reflector antenna servo mechanism - Google Patents
Large-caliber reflector antenna servo mechanism Download PDFInfo
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- CN116093614A CN116093614A CN202211706557.8A CN202211706557A CN116093614A CN 116093614 A CN116093614 A CN 116093614A CN 202211706557 A CN202211706557 A CN 202211706557A CN 116093614 A CN116093614 A CN 116093614A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides a large-caliber reflection arc antenna servo mechanism which comprises an antenna base, an azimuth gear bearing, an antenna turntable assembly, an azimuth transmission assembly, a pitching transmission assembly, a servo control assembly, a main reflection surface assembly, a support arm assembly and a secondary reflection surface assembly, wherein the main reflection surface assembly is arranged on the antenna base; the azimuth gear bearing is used for being mounted on the antenna base, and the antenna turntable assembly is used for being mounted on the azimuth gear bearing; the azimuth and elevation transmission assembly is arranged in the cavity of the antenna turntable assembly to control the transmission of the antenna. The main reflecting surface and the auxiliary reflecting surface of the antenna adopt adjustable mechanisms, so that the measuring and the adjusting of the reflecting surface of the antenna are quick and accurate. The antenna pitching transmission adopts a planetary gear reducer, so that the bearing capacity, the transmission efficiency and the transmission precision are improved, and the structure is compact and the reliability is high. The azimuth and pitch axis motors, the speed reducer and the high-precision shaft angle encoder are designed in the same model, so that the device is convenient to replace and good in maintainability. The invention adopts the design of the full-sealed seat frame, is easy to install, and meets the environmental adaptability and electromagnetic compatibility.
Description
Technical Field
The application relates to the technical field of antennas, in particular to a large-caliber reflective arc antenna servo mechanism.
Background
The current rapid development of satellite communication technology has great application prospect in military and government security. The static communication is an important subsystem in a satellite communication system as a fixed command station, and besides the beyond-line-of-sight communication and stable and reliable transmission, the purposes of mobile stations and large bandwidth are realized.
The large-caliber stationary satellite antenna is an antenna which is installed at a fixed place and used for searching satellites, the fixed place is used as a ground station to establish the basis of the whole satellite system, the antenna can only perform communication work in a fixed state, and cannot move or has complex satellite aligning process after moving, so that the research of the large-caliber reflective arc antenna servo mechanism has great significance.
Disclosure of Invention
The invention solves the technical problems that: the servo control mechanism for the large-caliber reflecting arc antenna is compact in structure, convenient to maintain, light in weight, large in caliber and high in reliability, and meanwhile, the servo control mechanism is mounted on a roof and can establish ground stations at any appointed place, has certain portability in transportation and movement, and can perform communication work at different places.
The technical scheme of the invention is as follows:
a large-caliber reflection arc antenna servo mechanism is characterized by comprising an antenna base, an azimuth gear bearing, an antenna turntable assembly, an azimuth transmission assembly, a pitching transmission assembly, a servo control assembly, a main reflection surface assembly, a support arm assembly and an auxiliary reflection surface assembly.
The azimuth gear bearing is arranged on the antenna base, and the antenna turntable assembly is arranged on the azimuth gear bearing; the azimuth transmission assembly, the pitching transmission assembly and the servo control assembly are installed in the antenna turntable assembly cavity, the main reflecting surface assembly is installed on the pitching transmission assembly, the support arm assembly is installed on the main reflecting surface assembly, and the auxiliary reflecting surface assembly is installed on the support arm assembly.
Further, the antenna turret assembly includes an antenna turret frame, a tilt left cover plate, a tilt right cover plate, and an antenna turret upper cover plate. The antenna turntable frame is installed on the azimuth gear bearing, and the pitching left cover plate, the pitching right cover plate and the antenna turntable upper cover plate are respectively installed on the left side, the right side and the upper side of the antenna turntable frame.
Further, the azimuth transmission assembly comprises an azimuth motor frame, an azimuth motor, an azimuth gear, an azimuth speed reducer, an azimuth large gear, an azimuth pinion, a slip ring bracket and an azimuth multipath electric slip ring. The azimuth motor frame is arranged in the antenna turntable frame cavity, the azimuth motor is arranged on the azimuth motor frame, and the azimuth gear is arranged on the azimuth motor output shaft; the azimuth speed reducer is arranged in the antenna turntable frame cavity, the azimuth big gear is arranged on the azimuth speed reducer input shaft, and the azimuth small gear is arranged on the azimuth speed reducer output shaft; the azimuth gear is meshed with the azimuth large gear, and the azimuth small gear is meshed with the azimuth gear bearing, so that the azimuth motor drives the azimuth speed reducer to rotate, and the antenna turntable assembly is driven to rotate; the slip ring support is arranged in the antenna turntable frame cavity, the azimuth multipath electric slip ring is arranged on the slip ring support, and the azimuth multipath electric slip ring can be used for switching the servo control assembly to an external interface.
Further, every single move drive assembly includes every single move motor frame, every single move motor, every single move speed reducer, every single move pinion, every single move jackshaft, every single move intermediate gear, RV speed reducer, every single move gear wheel, every single move bearing frame, every single move bearing, every single move left axle, every single move bearing clamping ring, every single move rotary encoder, every single move position sensing board, every single move spacing mounting panel, upper limit position switch, go up spacing hall, start hall, zero position hall, lower spacing hall and lower limit position switch.
The pitching motor frame is arranged in the right cavity of the antenna turntable frame, the pitching motor is arranged in the pitching motor frame, the pitching speed reducer is arranged in the right cavity of the antenna turntable frame, the pitching pinion is arranged on the output shaft of the pitching speed reducer, the pitching intermediate shaft is arranged in the right cavity of the antenna turntable frame, the pitching intermediate gear is arranged on the pitching intermediate shaft, the RV speed reducer is arranged in the right cavity of the antenna turntable frame, and the pitching large gear is arranged on the input shaft of the RV speed reducer; the pitching pinion is meshed with the pitching intermediate gear, and the pitching intermediate gear is meshed with the pitching bull gear, so that the pitching motor drives the pitching speed reducer to rotate, and the RV speed reducer is driven to rotate; the antenna turntable comprises an antenna turntable frame, a pitching bearing seat, a pitching bearing outer ring, a pitching bearing inner ring, a pitching bearing pressing ring, a pitching rotary encoder, a pitching position sensing plate, a pitching limiting device mounting plate and a pitching limiting device mounting plate, wherein the pitching bearing seat is arranged in a left cavity of the antenna turntable frame, the pitching bearing outer ring is arranged on the pitching bearing seat, the pitching left shaft is arranged on the pitching bearing inner ring, the pitching bearing pressing ring is arranged on the pitching bearing seat, the pitching rotary encoder is arranged on the pitching bearing pressing ring, the pitching rotary encoder inner ring is arranged on the pitching left shaft, the pitching position sensing plate is arranged on the pitching left shaft, the pitching limiting device mounting plate is arranged on the pitching bearing seat, and the upper limit switch, the upper limit hall, the starting hall, the zero hall, the lower limit hall and the lower limit switch are sequentially fixed on the pitching limiting device mounting plate.
Further, the servo control assembly comprises an azimuth motor driver, a pitching motor driver, a controller and a direct current power supply. The azimuth motor driver, the controller and the direct current power supply are installed in the antenna turntable frame cavity, and the pitching motor driver is installed in the antenna turntable frame right cavity.
Further, the main reflecting surface assembly comprises a main reflecting surface, an antenna back frame, an antenna surface left side plate, an antenna surface right side plate and an antenna surface shaft. The main reflecting surface is arranged on the antenna back frame, the antenna surface left side plate and the antenna surface right side plate are arranged on the antenna back frame, and two ends of the antenna surface shaft are respectively arranged on the antenna surface left side plate and the antenna surface right side plate; the antenna surface left side plate is arranged on the pitching left shaft, and the antenna surface right side plate is arranged on the RV reducer; the RV speed reducer rotates to drive the main reflecting surface assembly to rotate in a pitching mode, the pitching left shaft rotates and the pitching position sensing plate rotates in sequence, so that the pitching position of the main reflecting surface and start-stop control are obtained; the azimuth transmission assembly drives the antenna turntable assembly to rotate in azimuth, so that the main reflection surface assembly is driven to rotate in azimuth.
Further, the support arm assembly comprises a left support arm, a right support arm, a reinforcement beam 1, a reinforcement beam 2, a left side gas spring and a right side gas spring. The left support arm and the right support arm are fixed through the reinforcing beam 1 and the reinforcing beam 2, the left support arm is installed on the left side plate of the antenna surface, the right support arm is installed on the right side plate of the antenna surface, the left support arm is connected with the antenna back frame through the left side gas spring, and the right support arm is connected with the antenna back frame through the right side gas spring; the main reflecting surface assembly drives the support arm assembly to rise, and the support arm assembly and the main reflecting surface assembly keep a certain angle to pitch and rotate together after rising.
Further, the auxiliary reflecting surface assembly comprises an auxiliary surface supporting frame, an auxiliary surface rotating plate, an auxiliary surface converting plate, an auxiliary surface left supporting frame, an auxiliary surface right supporting frame, an auxiliary reflecting surface, an auxiliary surface supporting connecting rod, an upper fixing head, a lower fixing head, an articulated screw, a left wheel and a right wheel. The auxiliary surface rotating plate is arranged on the auxiliary surface supporting frame, the auxiliary surface converting plate is arranged on the auxiliary surface rotating plate, the auxiliary surface left side supporting frame and the auxiliary surface right side supporting frame are arranged on the auxiliary surface converting plate, two ends of the auxiliary reflecting surface are respectively arranged on the auxiliary surface left side supporting frame and the auxiliary surface right side supporting frame, two ends of the auxiliary surface supporting connecting rod are fixed on the auxiliary surface left side supporting frame and the auxiliary surface right side supporting frame, the upper fixing head is arranged on the auxiliary surface supporting connecting rod, and the lower fixing head is arranged on the auxiliary reflecting surface; the movable joint screw connects the upper fixing head and the lower fixing head, and the movable joint screw can adjust the pitching angle of the auxiliary reflecting surface; the left wheel and the right wheel are installed below the auxiliary face supporting frame. Two ends of the auxiliary surface supporting frame are fixed on the left supporting arm and the right supporting arm; after the main reflecting surface assembly is lifted, a certain angle is kept between the support arm assembly and the auxiliary reflecting surface assembly, and the main reflecting surface assembly drives the auxiliary reflecting surface assembly to rotate in a pitching mode. When the antenna is stored, the auxiliary reflecting surface component and the support arm component are stably fallen down through the left wheel and the right wheel.
In summary, the present application at least includes the following beneficial technical effects:
according to the invention, the main reflecting surface of the antenna is accurately adjusted by adopting the azimuth transmission assembly and the pitching transmission assembly, so that the reflecting surface of the antenna can be rapidly and accurately adjusted and measured in terms of rotation angle and pitching angle.
The pitch transmission adopts the planetary gear reducer, so that the bearing capacity, the transmission efficiency and the transmission precision are improved, the structure is compact, and the system reliability is improved.
The invention adopts the design of the full-sealed seat frame, has mature technology, is easy to install and meets the requirements of environmental adaptability and electromagnetic compatibility.
The azimuth multipath electric slip ring is adopted to realize 360-degree infinite rotation of azimuth and ensure continuous rotation of an azimuth axis of the antenna.
The servo control of the invention adopts a full-digital design, has high reliability, rapid and convenient parameter adjustment, fewer components and easy maintenance.
The azimuth motor and the pitching motor adopt the same model, and the azimuth motor driver and the pitching motor driver adopt the same model, so that the design is easy to replace and convenient to maintain.
The invention adopts complete mechanical and electrical protection measures, and is safe and reliable.
Drawings
FIG. 1 is a structural view of the present invention;
FIG. 2 is a schematic view of an antenna mount and azimuth bearing of the present invention;
FIG. 3 is a schematic view of an azimuth turret assembly of the present invention;
FIG. 4 is a schematic diagram of an azimuth drive assembly and servo control assembly of the present invention;
FIG. 5 is a schematic view of an azimuth drive assembly of the present invention;
FIG. 6 is a schematic view of a pitch drive assembly and servo control assembly of the present invention;
FIG. 7 is a schematic view of a pitch drive assembly of the present invention;
FIG. 8 is a schematic diagram of a main antenna face assembly of the present invention;
FIG. 9 is a schematic diagram of a mounting arm assembly according to the present invention;
FIG. 10 is a schematic view of a secondary reflector assembly of the present invention.
Reference numerals illustrate: 1-an antenna base; 2-azimuth gear bearings; 3-an antenna turret assembly; 4-an antenna turret frame; 5-pitching the left cover plate; 6-pitching the right cover plate; 7-an antenna turntable upper cover plate; 9-azimuth motor frames; 10-azimuth motor; 11-azimuth gear; 12-azimuth speed reducer; 13-azimuth bull gear; 14-azimuth pinion; 15-slip ring support; 16-azimuth multipath electrical slip rings; 18-pitching the motor frame; 19-pitch motor; 20-pitching speed reducer; 21-pitch pinion; 22-pitch intermediate shaft; 23-pitch intermediate gear; a 24-RV reducer; 25-pitch bull gear; 26-pitch bearing mount; 27-pitch bearings; 28-pitch left axis; 29-pitch bearing press ring; 30-pitch rotary encoder; 31-a pitch position sensing plate; 32-pitch limiting mounting plate; 33-upper limit switch; 34-upper limit Hall; 35-starting a Hall; 36-zero Hall; 37-lower limit Hall; 38-lower limit bit switch; 40-azimuth motor drive; 41-pitch motor drive; 42-a controller; 43-direct current power supply; 44-a primary reflector assembly; 45-a primary reflecting surface; 46-antenna back frame; 47-antenna face left side plate 48-antenna face right side plate; 49-antenna face axis; 50-arm assembly; 51-left arm; 52-right arm; 53-reinforcing beam 1; 54-reinforcing beam 2; 55-left side gas spring; 56-right side gas spring; 57-a secondary reflector assembly; 58-auxiliary surface supporting frame; 59-minor face turning plate; 60-secondary side conversion board; 61-auxiliary left side support frame; 62-a secondary right side support frame; 63-a secondary reflective surface; 64-minor face support tie bars; 65-upper fixed head; 66-lower fixed head; 67-articulation screw; 68-left wheels; 69-right wheel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that terms such as "upper," "lower," "left," "right," "middle," "outer," "first," "second," and the like are merely used for distinguishing between descriptions and not necessarily for indicating or implying any particular orientation or order between such entities or operations. And the terms "mounted," "disposed," and "connected" are to be construed broadly. The specific meaning of the above terms in the present invention will be understood by those of ordinary skill in the art in the specific context.
As shown in fig. 1-2, the present invention provides a technical solution: a large-caliber reflection arc antenna servo mechanism comprises an antenna base 1, an azimuth gear bearing 2, an antenna turntable assembly 3, an azimuth transmission assembly 8, a pitching transmission assembly 17, a servo control assembly 39, a main reflection surface assembly 44, a support arm assembly 50 and a secondary reflection surface assembly 57. The azimuth gear bearing 2 is arranged on the antenna base 1, the outer ring and the inner ring of the azimuth gear bearing 2 are rotationally connected, the outer ring of the azimuth gear bearing 2 is rotationally connected with the antenna base 1, the inner ring of the azimuth gear bearing 2 is fixedly connected with the antenna base 1, and the antenna turntable assembly 3 is arranged on the azimuth gear bearing 2; azimuth drive assembly 5, elevation drive assembly 17 and servo control assembly 39 are mounted within the cavity of antenna turret assembly 3, main mirror assembly 44 is mounted on elevation drive assembly 17, arm assembly 50 is mounted on main mirror assembly 44, and secondary mirror assembly 57 is mounted on arm assembly 50.
As shown in fig. 3, the antenna turret assembly 3 includes an antenna turret frame 4, a tilt left cover plate 5, a tilt right cover plate 6, and an antenna turret upper cover plate 7. The antenna turntable frame 4 is mounted on top of the outer ring of the azimuth gear bearing 2, and the pitching left cover plate 5, the pitching right cover plate 6 and the antenna turntable upper cover plate 7 are mounted on the left side, the right side and the upper side of the antenna turntable frame 4 respectively.
As shown in fig. 4-5, the azimuth drive assembly 8 includes an azimuth motor housing 9, an azimuth motor 10, an azimuth gear 11, an azimuth speed reducer 12, an azimuth large gear 13, an azimuth pinion 14, a slip ring bracket 15, and an azimuth multi-path electric slip ring 16. The azimuth motor frame 9 is arranged in the cavity of the antenna turntable frame 4, the azimuth motor 10 is arranged on the azimuth motor frame 9, and the azimuth gear 11 is arranged on the output shaft of the azimuth motor 10; the azimuth speed reducer 12 is arranged in the cavity of the antenna turntable frame 4, the azimuth big gear 13 is arranged on the input shaft of the azimuth speed reducer 12, and the azimuth small gear 14 is arranged on the output shaft of the azimuth speed reducer 12; the azimuth gear 11 is meshed with the azimuth big gear 13, the azimuth small gear 14 is meshed with the azimuth gear bearing 2, and the azimuth motor 10 drives the azimuth speed reducer 12 to rotate, so that the antenna turntable assembly 3 is driven to rotate; the slip ring support 15 is installed in the cavity of the antenna turntable frame 4, the azimuth multi-path electric slip ring 16 is installed on the slip ring support 15, and the azimuth multi-path electric slip ring 16 can switch the servo control assembly 39 to an external interface.
As shown in fig. 6-7, pitch drive assembly 17 includes pitch motor frame 18, pitch motor 19, pitch speed reducer 20, pitch pinion 21, pitch countershaft 22, pitch idler gear 23, RV speed reducer 24, pitch bull gear 25, pitch bearing mount 26, pitch bearing 27, pitch left shaft 28, pitch bearing press ring 29, pitch rotary encoder 30, pitch position sensing plate 31, pitch limit mounting plate 32, upper limit switch 33, upper limit hall 34, start hall 35, zero hall 36, lower limit hall 37, and lower limit switch 38. The pitching motor frame 18 is arranged in the right cavity of the antenna turntable frame 4, the pitching motor 19 is arranged in the pitching motor frame 18, the pitching speed reducer 20 is arranged in the right cavity of the antenna turntable frame 4, the pitching pinion 21 is arranged on the output shaft of the pitching speed reducer 20, the pitching intermediate shaft 22 is arranged in the right cavity of the antenna turntable frame 4, the pitching intermediate gear 23 is arranged on the pitching intermediate shaft 22, the RV reducer 24 is arranged in the right cavity of the antenna turntable frame 4, and the pitching bull gear 25 is arranged on the input shaft of the RV reducer 24; the pitch pinion 21 is meshed with the pitch intermediate gear 23, the pitch intermediate gear 23 is meshed with the pitch bull gear 25, and an output shaft of the pitch motor 19 is connected to an input shaft of the pitch speed reducer 20, so that the pitch motor 19 drives the pitch speed reducer 20 to rotate, and the RV speed reducer 24 is driven to rotate; the pitching bearing pedestal 26 is arranged in the left cavity of the antenna turntable frame 4, the outer ring of the pitching bearing 27 is arranged on the pitching bearing pedestal 26, the pitching left shaft 28 is arranged on the inner ring of the pitching bearing 27, the pitching bearing pressing ring 29 is arranged on the pitching bearing pedestal 26, the pitching rotary encoder 30 is arranged on the pitching bearing pressing ring 29, the inner ring of the pitching rotary encoder 30 is arranged on the pitching left shaft 28, the position sensing plate 31 is arranged on the pitching left shaft 28, the pitching limiting mounting plate 32 is arranged on the pitching bearing pedestal 26, and the upper limit switch 33, the upper limit hall 34, the starting hall 35, the zero-position hall 36, the lower limit hall 37 and the lower limit switch 38 are sequentially fixed on the pitching limiting device mounting plate 32.
As shown in fig. 4 and 6, the servo control assembly 39 includes an azimuth motor driver 40, a pitch motor driver 41, a controller 42, and a dc power supply 43. The azimuth motor driver 40, the controller 42 and the direct current power supply 43 are installed in the cavity of the antenna turret frame 4, and the elevation motor driver 41 is installed in the right cavity of the antenna turret frame 4. The dc power supply 43 is used to supply power to the azimuth motor driver 40, the pitch motor driver 41, the controller 42, the dc power supply 43, and other devices requiring power. The azimuth motor driver 40 is used for sending out control signals to the azimuth motor 10, the azimuth motor 10 receives the control signals and executes the control signals, the pitching motor driver 41 is used for sending out control signals to the pitching motor 19, and the pitching motor 19 receives the control signals and executes the control signals; the controller 42 is used for controlling the azimuth motor driver 40 and the pitch motor driver 41, and the azimuth motor driver 40 and the pitch motor driver 41 are controlled.
As shown in fig. 8, the main reflecting surface assembly 44 includes a main reflecting surface 45, an antenna back frame 46, an antenna surface left side plate 47, an antenna surface right side plate 48, and an antenna surface axis 49. The main reflecting surface 45 is arranged on the antenna back frame 46, the antenna surface left side plate 47 and the antenna surface right side plate 48 are arranged on the antenna back frame 46, and two ends of the antenna surface shaft 49 are respectively arranged on the antenna surface left side plate 47 and the antenna surface right side plate 48; the antenna surface left side plate 47 is installed on the pitching left shaft 28, and the antenna surface right side plate 48 is installed on the RV reducer 24; rotation of RV reducer 24 in turn drives main reflecting surface assembly 44 to rotate in pitch, left pitching shaft 28 to rotate, and pitching position sensing plate 31 to rotate, so that pitching position and start-stop control of main reflecting surface 45 are obtained; the azimuth driving assembly 8 drives the antenna turntable assembly 3 to rotate in azimuth, so that the main reflecting surface assembly 44 is driven to rotate in azimuth.
The arm assembly 50, as shown in fig. 9, includes a left arm 51, a right arm 52, a stiffening beam 153, a stiffening beam 254, a left gas spring 55, and a right gas spring 56. The left support arm 51 and the right support arm 52 are fixed through a reinforcing beam 153 and a reinforcing beam 254, the left support arm 51 is rotatably mounted on the left side plate 47 of the antenna surface, the right support arm 52 is rotatably mounted on the right side plate 48 of the antenna surface, the left side plate 47 and the right side plate 48 are connected with limit bolts, the limit bolts are positioned on one side, away from the main reflecting surface assembly 44, of the left support arm 51 and the right support arm 52, the left support arm 51 is connected with the antenna back frame 46 through a left side gas spring 55, and the right support arm 52 is connected with the antenna back frame 46 through a right side gas spring 56; the main reflective surface assembly 44 lifts the arm assembly 50, which then rotates in pitch with the main reflective surface assembly 44 and the arm assembly 50 at an angle.
As shown in fig. 10, the secondary reflecting surface assembly 57 includes a secondary supporting frame 58, a secondary rotating plate 59, a secondary converting plate 60, a secondary left supporting frame 61, a secondary right supporting frame 62, a secondary reflecting surface 63, a secondary supporting connecting rod 64, an upper fixing head 65, a lower fixing head 66, a joint screw 67, a left wheel 68, and a right wheel 69. The auxiliary surface rotating plate 59 is rotatably mounted on the auxiliary surface supporting frame 58, the auxiliary surface rotating plate 59 is connected with the auxiliary surface supporting frame 58 through a locking bolt, when the locking bolt is unscrewed, the auxiliary surface rotating plate 59 can rotate relative to the center of the auxiliary surface supporting frame 58 to adjust the reflection angle, and otherwise, when the bolt is screwed, the auxiliary surface rotating plate 59 is fixed with the auxiliary surface supporting frame 58. The auxiliary surface conversion plate 60 is fixedly installed on the auxiliary surface rotation plate 59, the auxiliary surface left side support frame 61 and the auxiliary surface right side support frame 62 are installed on the auxiliary surface conversion plate 60, two ends of the auxiliary reflection surface 63 are respectively installed on the auxiliary surface left side support frame 61 and the auxiliary surface right side support frame 62, specifically, the auxiliary reflection surface 63 is rotationally connected to the auxiliary surface left side support frame 61 and the auxiliary surface right side support frame 62, an arc-shaped slot hole taking a rotating shaft of the auxiliary reflection surface 63 as an axis is formed in the left side support frame 61 and the auxiliary surface right side support frame 62, the auxiliary reflection surface 63 is connected with a fastening bolt, the fastening bolt is inserted into the arc-shaped slot hole, and when the fastening bolt is screwed, the auxiliary reflection surface 63, the auxiliary surface left side support frame 61 and the auxiliary surface right side support frame 62 are relatively fixed and cannot rotate continuously; two ends of the auxiliary surface supporting connecting rod 64 are fixed on the auxiliary surface left side supporting frame 61 and the auxiliary surface right side supporting frame 62, an upper fixing head 65 is arranged on the auxiliary surface supporting connecting rod 64, and a lower fixing head 66 is arranged on the auxiliary reflecting surface 63; the movable joint screw 67 connects the upper fixing head 65 and the lower fixing head 66, and the movable joint screw 67 can adjust the pitching angle of the auxiliary reflecting surface 63; left and right wheels 68, 69 are mounted under the secondary support 58. Two ends of the auxiliary supporting frame 58 are fixed on the left supporting arm 51 and the right supporting arm 52; after the main reflecting surface assembly 44 is lifted, the main reflecting surface assembly 44 drives the auxiliary reflecting surface assembly 57 to pitch and rotate through the supporting arm assembly 50 and the auxiliary reflecting surface assembly 57 to maintain a certain angle. The secondary reflector assembly 57 and arm assembly 50 are smoothly dropped by the left wheel 68 and right wheel 69 when the antenna is stowed.
The main reflecting surface and the auxiliary reflecting surface of the antenna adopt adjustable mechanisms, so that the measuring and the adjusting of the reflecting surface of the antenna are quick and accurate. The planetary gear reducer 24 is adopted in pitching transmission, so that the bearing capacity, the transmission efficiency and the transmission precision are improved, the structure is compact, and the system reliability is improved. The full-sealed seat frame is adopted, the technology is mature, the installation is easy, and the requirements of environmental adaptability and electromagnetic compatibility are met. The azimuth multipath electric slip ring 16 realizes 360-degree infinite rotation of azimuth and ensures continuous rotation of an azimuth axis of the antenna. The servo control adopts a full-digital design, has high reliability, rapid and convenient parameter adjustment, fewer components and parts and easy maintenance. The azimuth motor and the pitching motor are of the same type, and the azimuth motor driver and the pitching motor driver are of the same type, so that the design is easy to replace and convenient to maintain. Adopts complete mechanical and electrical protection measures, and is safe and reliable.
While the invention has been described in terms of the preferred embodiment, it is not intended to limit the invention, but it will be apparent to those skilled in the art that variations and modifications can be made without departing from the spirit and scope of the invention, and therefore the scope of the invention is defined in the appended claims.
Claims (10)
1. A large-caliber reflection arc antenna servo mechanism is characterized in that: the antenna comprises an antenna base (1), an antenna turntable assembly (3), an azimuth gear bearing (2), a main reflecting surface assembly (14), a support arm assembly (50), a secondary reflecting surface assembly (57), an azimuth transmission assembly (8) and a pitching transmission assembly (17);
the antenna turntable assembly (3) is rotationally connected to the antenna base (1) through an azimuth gear bearing (2), and the azimuth transmission assembly (8) is used for adjusting the angle between the antenna turntable assembly (3) and the antenna base (1);
the auxiliary reflecting surface assembly (57) is connected to the support arm assembly (50), the main reflecting surface assembly (14) and the support arm assembly (50) are connected to the antenna turntable assembly (3), and the pitching transmission assembly (17) is used for adjusting pitching angles of the main reflecting surface assembly (14) and the auxiliary reflecting surface assembly (57).
2. A large caliber reflector arc antenna servo mechanism as claimed in claim 1, wherein: the azimuth transmission assembly comprises an azimuth motor (10) and an azimuth pinion (14), the azimuth motor (10) is connected to the antenna turntable assembly, the azimuth motor (10) is used for driving the azimuth pinion (14) to rotate, the inner ring of the azimuth pinion bearing is fixedly connected with the antenna base, the outer ring of the antenna base is rotationally connected with the antenna base, and the azimuth pinion (14) is meshed with the inner ring of the azimuth pinion bearing.
3. A large caliber reflector arc antenna servo mechanism as claimed in claim 2, wherein: the azimuth transmission assembly further comprises an azimuth gear (11), an azimuth speed reducer (12) and an azimuth big gear (13), wherein the azimuth gear (11) is connected to an output shaft of the azimuth motor (10), the azimuth big gear (13) is connected to an input shaft of the azimuth speed reducer (12), the azimuth gear (11) is meshed with the azimuth speed reducer (12), and the azimuth small gear (14) is connected to an output shaft of the azimuth speed reducer (12).
4. A large caliber reflector arc antenna servo mechanism as claimed in claim 1, wherein: the main reflecting surface assembly (44) comprises a main reflecting surface (45), an antenna back frame (46), an antenna surface left side plate (47), an antenna surface right side plate (48) and an antenna surface shaft (49); the main reflection surface (45) is arranged on the antenna back frame (46), the antenna surface left side plate (47) and the antenna surface right side plate (48) are arranged on the antenna back frame (46), and two ends of the antenna surface shaft (49) are respectively arranged on the antenna surface left side plate (47) and the antenna surface right side plate (48); the antenna surface left side plate (47) and the antenna surface right side plate (48) are both rotatably connected to the antenna turntable assembly.
5. The large caliber reflector arc antenna servo mechanism of claim 4, wherein: the pitching transmission assembly comprises a pitching motor (19), a pitching speed reducer (20), a pitching pinion (21), an RV speed reducer (24), a pitching gear wheel (25) and a pitching motor (19), wherein the pitching motor (19) is connected to the antenna turntable assembly, an output shaft of the pitching motor (19) is connected with an input shaft of the pitching speed reducer (20), an output shaft of the pitching speed reducer (20) is connected with the pitching pinion (21), the pitching pinion (21) is meshed with the pitching gear wheel (25), the pitching gear wheel (25) is connected with an input shaft of the RV speed reducer (24), and an output shaft of the RV speed reducer (24) is connected with the right side plate (48) of the antenna surface.
6. The large caliber reflector arc antenna servo mechanism of claim 4, wherein: the pitching transmission assembly further comprises a pitching left shaft (28), a pitching position sensing plate (31), a pitching limiting mounting plate (32) and a plurality of sensors connected to the pitching limiting mounting plate (32), the pitching left shaft (28) is rotationally connected with the antenna turntable assembly, the pitching left shaft (28) is connected with the antenna surface left side plate (47), the pitching limiting mounting plate (32) is fixedly connected with the pitching left shaft (28), the pitching limiting mounting plate (32) is fixedly connected with the antenna turntable assembly, the pitching limiting mounting plate (32) rotates along with the pitching left shaft (28), and when the sensors at different positions on the pitching limiting mounting plate (32) sense the limiting mounting plate (32), the pitching angle of the main reflecting surface assembly (44) can be accurately positioned.
7. The large caliber reflector arc antenna servo mechanism of claim 4, wherein: the support arm assembly comprises a left support arm (51), a right support arm (52), a reinforcing beam 1 (53), a reinforcing beam 2 (54), a left side gas spring (55) and a right side gas spring (56). Left support arm (51) with right support arm (52) are passed through stiffening beam 1 (53) with stiffening beam 2 (54) are fixed, left support arm (51) are rotated and are installed on antenna face left side board (47), right support arm (52) are rotated and are installed on antenna face right side board (48), left support arm (51) are passed through left side gas spring (55) with antenna back frame (46) are connected, right support arm (52) are passed through right side gas spring (56) with antenna back frame (46) are connected.
8. The large caliber reflector arc antenna servo mechanism of claim 7, wherein: the left side plate (47) and the right side plate (48) are connected with limit bolts, and the limit bolts are positioned on one sides of the left support arm (51) and the right support arm (52) which are away from the main reflecting surface assembly (44).
9. A large caliber reflector arc antenna servo mechanism as claimed in claim 1, wherein: the auxiliary reflection surface assembly (57) comprises an auxiliary surface supporting frame (58), an auxiliary surface rotating plate (59), an auxiliary surface converting plate (60), an auxiliary surface left side supporting frame (61), an auxiliary surface right side supporting frame (62), an auxiliary surface (63), an auxiliary surface supporting connecting rod (64), an upper fixing head (65), a lower fixing head (66) and a movable joint screw (67), wherein the auxiliary surface rotating plate (59) is rotatably mounted on the auxiliary surface supporting frame (58), the auxiliary surface converting plate (60) is fixedly mounted on the auxiliary surface rotating plate (59), the auxiliary surface left side supporting frame (61) and the auxiliary surface right side supporting frame (62) are mounted on the auxiliary surface converting plate (60), two ends of the auxiliary surface (63) are respectively mounted on the auxiliary surface left side supporting frame (61) and the auxiliary surface right side supporting frame (62), two ends of the auxiliary surface supporting connecting rod (64) are fixed on the auxiliary surface left side supporting frame (61) and the auxiliary surface right side supporting frame (62), and the upper fixing head (65) is mounted on the auxiliary surface supporting rod (64) and the auxiliary surface (66) is mounted on the auxiliary surface (63); the movable joint screw (67) connects the upper fixing head (65) and the lower fixing head (66), and the movable joint screw (67) can adjust the pitching angle of the auxiliary reflecting surface (63).
10. A large caliber reflector arc antenna servo mechanism as claimed in claim 9, wherein: the bottom of the auxiliary surface supporting frame (58) is rotatably provided with a left wheel (68) and a right wheel (69).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211706557.8A CN116093614A (en) | 2022-12-29 | 2022-12-29 | Large-caliber reflector antenna servo mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211706557.8A CN116093614A (en) | 2022-12-29 | 2022-12-29 | Large-caliber reflector antenna servo mechanism |
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| Publication Number | Publication Date |
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| CN116093614A true CN116093614A (en) | 2023-05-09 |
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| CN202211706557.8A Pending CN116093614A (en) | 2022-12-29 | 2022-12-29 | Large-caliber reflector antenna servo mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116859096A (en) * | 2023-09-04 | 2023-10-10 | 南京纳特通信电子有限公司 | Miniaturized EMC test equipment and application method thereof |
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2022
- 2022-12-29 CN CN202211706557.8A patent/CN116093614A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116859096A (en) * | 2023-09-04 | 2023-10-10 | 南京纳特通信电子有限公司 | Miniaturized EMC test equipment and application method thereof |
| CN116859096B (en) * | 2023-09-04 | 2023-11-21 | 南京纳特通信电子有限公司 | Miniaturized EMC test equipment and application method thereof |
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